ECM Replacement
WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
If the engine control module (ECM) is replaced, the following procedures must be performed:
- The ECM Reprogramming-Refer to Service Programming System (SPS) .
- The CKP Variation Learn-Refer to Crankshaft Position System Variation Learn for the V6, Crankshaft Position System Variation Learn for the V8, or Crankshaft Position System Variation Learn for the Hybrid.
- The Theft Deterrent Programming-Refer to Theft Deterrent Module Programming and Setup .
- The Fuel Composition Diagnostic-Refer to Fuel Composition Diagnosis for the 5.3L (LMG or LC9).
- The Throttle Learn procedure-Refer to Throttle/Idle Learn for the V6, Throttle/Idle Learn for the V8, or Throttle/Idle Learn for the Hybrid.
- Engine Oil Life Remaining-When available, use a scan tool to reset the Engine Oil Life Remaining back to the original percentage recorded before the module was replaced.
- Transmission Fluid Life Remaining-When available, use a scan tool to reset the Transmission Fluid Life Remaining back to the original percentage recorded before the module was replaced.